def main():
    x = int(input())
    print(10 - x // 200)


if __name__ == '__main__':
    main() def main():
    x = int(input())
    print(10 - x // 200) main x = int(input()) x int(input()) int input() input print(10 - x // 200) print 10 - x // 200 10 x // 200 x 200 if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main def main():
    x = int(input())
    print(10 - x // 200) def main():
    x = int(input())
    print(10 - x // 200) main
def main():
    x = int(input())
    print(10 - x // 200)


if __name__ == '__main__':
    main()
